Cheap flights from London Heathrow Airport to Cairns from £540
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
24 Jan — 31 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in May or February, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Cairns
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 December 2025.
Wed 31/1217:50LHR - CNS
2 stops37h 00mCathay Pacific
Tue 20/111:25CNS - LHR
1 stop29h 05mCathay Pacific
Deal found 24/12£1,105
Wed 31/1213:50LHR - CNS
2 stops32h 45mMultiple Airlines
Tue 20/109:45CNS - LHR
3 stops36h 25mMultiple Airlines
Deal found 24/12£1,400
Wed 31/1220:10LHR - CNS
3 stops31h 55mQantas Airways
Tue 20/106:00CNS - LHR
3 stops34h 15mQantas Airways
Deal found 24/12£2,306
Best flights from Heathrow to Cairns
Discover carefully curated flight deals from Heathrow to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 December 2025.
Thu 5/222:35LHR - CNS
2 stops45h 10mMultiple Airlines
Wed 18/219:15CNS - LHR
2 stops48h 40mMultiple Airlines
Deal found 25/12£878
Sat 4/420:35LHR - CNS
1 stop35h 25mSingapore Airlines
Mon 20/418:15CNS - LHR
1 stop30h 30mSingapore Airlines
Deal found 25/12£1,075
Wed 11/320:10LHR - CNS
2 stops28h 35mQantas Airways
Sun 15/306:00CNS - LHR
2 stops34h 15mQantas Airways
Deal found 24/12£1,109
Sun 22/317:45LHR - CNS
2 stops26h 00mMultiple Airlines
Wed 1/412:40CNS - LHR
3 stops35h 30mMultiple Airlines
Deal found 25/12£969
Fri 1/511:25LHR - CNS
1 stop44h 35mSingapore Airlines
Fri 29/518:15CNS - LHR
1 stop34h 15mSingapore Airlines
Deal found 24/12£1,100
Mon 9/220:10LHR - CNS
2 stops28h 50mQantas Airways
Tue 3/306:40CNS - LHR
2 stops33h 35mQantas Airways
Deal found 24/12£1,109
Wed 11/322:35LHR - CNS
2 stops45h 10mMultiple Airlines
Wed 15/410:15CNS - LHR
3 stops38h 45mMultiple Airlines
Deal found 25/12£1,018
Mon 9/220:10LHR - CNS
2 stops28h 50mQantas Airways
Wed 4/306:40CNS - LHR
2 stops33h 35mQantas Airways
Deal found 24/12£1,109
Sun 8/220:10LHR - CNS
2 stops29h 40mQantas Airways
Tue 3/306:40CNS - LHR
2 stops33h 35mQantas Airways
Deal found 24/12£1,114
Sun 8/220:10LHR - CNS
2 stops29h 10mQantas Airways
Sat 7/318:05CNS - LHR
2 stops46h 10mQantas Airways
Deal found 24/12£1,115
Last-minute flights from Heathrow to Cairns
Discover last-minute flight deals from Heathrow to Cairns. Data last updated 25 December 2025 and is based on user searches.
Wed 31/1217:50LHR - CNS
2 stops37h 00mCathay Pacific
Tue 20/111:25CNS - LHR
1 stop29h 05mCathay Pacific
Deal found 24/12£1,105
Wed 31/1213:50LHR - CNS
2 stops32h 45mMultiple Airlines
Tue 20/109:45CNS - LHR
3 stops36h 25mMultiple Airlines
Deal found 24/12£1,400
Wed 31/1220:10LHR - CNS
3 stops31h 55mQantas Airways
Tue 20/106:00CNS - LHR
3 stops34h 15mQantas Airways
Deal found 24/12£2,306
Sun 11/122:05LHR - CNS
1 stop25h 50mCathay Pacific
Fri 23/114:50CNS - LHR
2 stops48h 35mCathay Pacific
Deal found 24/12£5,042
Tue 20/122:00LHR - CNS
2 stops38h 05mMultiple Airlines
Fri 30/117:35CNS - LHR
2 stops35h 00mMultiple Airlines
Deal found 24/12£4,168
Tue 20/117:50LHR - CNS
1 stop30h 05mCathay Pacific
Fri 30/114:50CNS - LHR
2 stops48h 35mCathay Pacific
Deal found 24/12£4,995
One-way flights from Heathrow to Cairns
Search for one-way flight options from Heathrow to Cairns. Find affordable one-way fares based on user searches. Data last updated 25 December 2025.
Sat 21/222:35LHR - CNS
2 stops45h 10mMultiple Airlines
Deal found 25/12£540
Sat 7/221:35LHR - CNS
3 stops46h 10mMultiple Airlines
Deal found 24/12£542
Sat 7/321:25LHR - CNS
2 stops32h 50mMultiple Airlines
Deal found 24/12£616
Sun 14/621:35LHR - CNS
2 stops29h 15mMultiple Airlines
Deal found 24/12£643
Sun 14/611:55LHR - CNS
1 stop24h 20mQantas Airways
Deal found 24/12£644
Fri 6/320:10LHR - CNS
2 stops39h 55mQantas Airways
Deal found 24/12£662
Find flight deals from Heathrow to Cairns
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 December 2025.
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.
Fly from
Heathrow
Fly to
Cairns
Route
Depart
Return
Price
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 5/2
22:35-05:45
2 stops45h 10m
Cairns
Wed 18/2
19:15-09:55
2 stops48h 40m
£878
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 22/3
17:45-05:45
2 stops26h 00m
Cairns
Wed 1/4
12:40-15:10
3 stops35h 30m
£969
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Wed 11/3
22:35-05:45
2 stops45h 10m
Cairns
Wed 15/4
10:15-16:00
3 stops38h 45m
£1,018
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sat 4/4
20:35-17:00
1 stop35h 25m
Cairns
Mon 20/4
18:15-15:45
1 stop30h 30m
£1,075
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Fri 1/5
11:25-17:00
1 stop44h 35m
Cairns
Fri 29/5
18:15-19:30
1 stop34h 15m
£1,100
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Wed 11/3
20:10-10:45
2 stops28h 35m
Cairns
Sun 15/3
06:00-06:15
2 stops34h 15m
£1,109
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Mon 9/2
20:10-11:00
2 stops28h 50m
Cairns
Tue 3/3
06:40-06:15
2 stops33h 35m
£1,109
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Mon 9/2
20:10-11:00
2 stops28h 50m
Cairns
Wed 4/3
06:40-06:15
2 stops33h 35m
£1,109
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 8/2
20:10-11:50
2 stops29h 40m
Cairns
Tue 3/3
06:40-06:15
2 stops33h 35m
£1,114
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 8/2
20:10-11:20
2 stops29h 10m
Cairns
Sat 7/3
18:05-06:15
2 stops46h 10m
£1,115
Flights are sorted by cheapest return flights first.
Deals found on 24/12
Showing 1-10 of 18 results
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Best time to book a flight from Heathrow to Cairns
Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Cairns
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Cairns?
Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 19 December 2025.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £750). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of £1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to CNS?
Find hourly flight availability from Heathrow to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 December 2025.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cairns in the evening. If you’re flexible enough to do this you can expect to save up to 68% on your trip compared to booking a flight at midday.
How often are flights from London to Cairns delayed?
About 8% of weekly flights between London and Cairns have experienced delays in the past year, with the average delay time being 136 minutes.
What is the most punctual flight time for London to Cairns flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Cairns flights?
Over the past year, China Eastern have had the lowest number of delays on this route, with just 3% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Cairns?
Share of one-stop return flights from London Heathrow Airport to Cairns chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 86% of one-stop itineraries from London Heathrow Airport to Cairns on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Cairns?
Average return fare for one-stop flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of £1,256.
What’s the fastest stopover option from London Heathrow Airport to Cairns?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Cairns, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 26h 37m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Cairns?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 6h 40m.
Reviews of airlines servicing Cairns
Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 25 December 2025.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Cairns from London Heathrow?
Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 4 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.
How long is the flight from London Heathrow Airport to Cairns?
A quick flight from London Heathrow Airport to Cairns can take about 35h 25m. Singapore Airlines provides one of the quickest options available for as low as £1,075. The distance from London Heathrow Airport to Cairns is about 9409 mi.
What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?
Our cheapest airline available from London Heathrow Airport to Cairns is SWISS. Our recent data shows that you can find tickets from as low as £779 on this airline. Additional options worth looking into are Cathay Pacific and Singapore Airlines, starting at £791 and £883 round-trip. SWISS is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Heathrow to Cairns?
Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £750). Flying from London Heathrow Airport to Cairns in December is currently the most expensive (average of £1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Cairns departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 25 December 2025.
Discover the top 4 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Cairns?
Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Cairns with no change fees?
Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.
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